BRAND NAME(S): Alsuma, Imitrex, Sumavel DosePro

USES: Sumatriptan is used to treat migraines and cluster headaches. It helps to relieve pain and other symptoms of migraines/headaches including sensitivity to light or sound, nausea, and vomiting. Prompt treatment allows you to get back to your normal routine and may decrease your need for other pain medications. It does not prevent future migraines/headaches or reduce how often you may get a headache.Sumatriptan belongs to a group of drugs called triptans. It affects a certain natural chemical (serotonin) that constricts blood vessels in the brain. It may also block other pain pathways in the brain.